At what distance does a man whose height is 2 meters subtend angle of 10 '?

At what distance does a man, whose height is 2 metres, subtend an angle of 10’ ?

At what distance does a man ,5 1/2 feet in height, subtend an angle of 20" ?

At what distance does a man 5 1/2 ft. in height, subtend an angle of 15" ?

At what distance does a man 5 1/2 ft. in height, subtend an angle of 15" ?

Assuming that a person of normal sight can read print at such a distance that the letters subtend an angle of 5' at his eye. Find what is the height of the letters that he can read at a distance of 756 meteres ?

A flag staff stands vertically on a pillar. The height of the flag staff being double the height of the pillar. A man on the ground at a distance finds both pillar and the flag staff subtends equal angle ' theta ' at his eye then theta =

A vertical tower subtends an angle of 60^(@) at a point on the same level as the foot of the tower. On moving 100 m further in line with the tower, it subtends an angle of 30^(@) at the point. Then, the height of the tower, it subtends an angle of 30^(@) at the point. Then, the height of the tower is

A flagstaff stands in the centre of a rectangular field whose diagonal is 120 m. It subtends angles of 15^@ and 45^@ at the midpoints of the sides of the field. The height of the flagstaff is

A flagstaff stands in the centre of a rectangular field whose diagonal is 120 m. It subtends angles of 15^@ and 45^@ at the midpoints of the sides of the field. The height of the flagstaff is